001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.camel.util.concurrent; 018 019import java.util.concurrent.Callable; 020import java.util.concurrent.FutureTask; 021 022/** 023 * A {@link Rejectable} {@link FutureTask} used by {@link RejectableThreadPoolExecutor}. 024 * 025 * @see RejectableThreadPoolExecutor 026 */ 027public class RejectableFutureTask<V> extends FutureTask<V> implements Rejectable { 028 029 private final Rejectable rejectable; 030 031 public RejectableFutureTask(Callable<V> callable) { 032 super(callable); 033 this.rejectable = callable instanceof Rejectable ? (Rejectable) callable : null; 034 } 035 036 public RejectableFutureTask(Runnable runnable, V result) { 037 super(runnable, result); 038 this.rejectable = runnable instanceof Rejectable ? (Rejectable) runnable : null; 039 } 040 041 @Override 042 public void reject() { 043 if (rejectable != null) { 044 rejectable.reject(); 045 } 046 } 047 048}